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Signed-off-by: Nikita Khateev <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| use proc_macro2::TokenStream; | ||
| use quote::quote; | ||
| use syn::{Ident, Item}; | ||
|
|
||
| use super::fetch_ident; | ||
|
|
||
| #[derive(Debug)] | ||
| pub struct AssetAPIFields { | ||
| pub transaction_payment: Ident, | ||
| pub balance: Ident, | ||
| pub call: Ident, | ||
| } | ||
|
|
||
| impl TryFrom<&[Item]> for AssetAPIFields { | ||
| type Error = &'static str; | ||
| fn try_from(value: &[Item]) -> Result<Self, Self::Error> { | ||
| let mut transaction_payment = None; | ||
| let mut call = None; | ||
| let mut balance = None; | ||
|
|
||
| for item in value { | ||
| match item { | ||
| Item::Type(ty) => { | ||
| if ty.ident == "TransactionPayment" { | ||
| transaction_payment = Some(fetch_ident(&ty.ty)) | ||
| } else if ty.ident == "RuntimeCall" { | ||
| call = Some(fetch_ident(&ty.ty)) | ||
| } else if ty.ident == "Balance" { | ||
| balance = Some(fetch_ident(&ty.ty)) | ||
| } | ||
| } | ||
| _ => (), | ||
| } | ||
| } | ||
|
|
||
| let transaction_payment = | ||
| transaction_payment.ok_or("`type TransactionPayment` not specified, but required")?; | ||
| let balance = balance.ok_or("`type Balance` not specified, but required")?; | ||
| let call = call.ok_or("`type RuntimeCall` not specified, but required")?; | ||
| Ok(AssetAPIFields { | ||
| transaction_payment, | ||
| balance, | ||
| call, | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| pub fn assets_apis( | ||
| runtime: &Ident, | ||
| block: &Ident, | ||
| transaction_payment: &Ident, | ||
| balance: &Ident, | ||
| call: &Ident, | ||
| ) -> TokenStream { | ||
| quote! { | ||
| impl pallet_transaction_payment_rpc_runtime_api::TransactionPaymentApi<#block, #balance> | ||
| for #runtime | ||
| { | ||
| fn query_info( | ||
| uxt: <#block as BlockT>::Extrinsic, | ||
| len: u32, | ||
| ) -> pallet_transaction_payment_rpc_runtime_api::RuntimeDispatchInfo<#balance> { | ||
| #transaction_payment::query_info(uxt, len) | ||
| } | ||
| fn query_fee_details( | ||
| uxt: <#block as BlockT>::Extrinsic, | ||
| len: u32, | ||
| ) -> pallet_transaction_payment::FeeDetails<#balance> { | ||
| #transaction_payment::query_fee_details(uxt, len) | ||
| } | ||
| fn query_weight_to_fee(weight: Weight) -> #balance { | ||
| #transaction_payment::weight_to_fee(weight) | ||
| } | ||
| fn query_length_to_fee(length: u32) -> #balance { | ||
| #transaction_payment::length_to_fee(length) | ||
| } | ||
| } | ||
|
|
||
| impl | ||
| pallet_transaction_payment_rpc_runtime_api::TransactionPaymentCallApi< | ||
| #block, | ||
| #balance, | ||
| #call, | ||
| > for #runtime | ||
| { | ||
| fn query_call_info( | ||
| call: #call, | ||
| len: u32, | ||
| ) -> pallet_transaction_payment::RuntimeDispatchInfo<#balance> { | ||
| #transaction_payment::query_call_info(call, len) | ||
| } | ||
| fn query_call_fee_details( | ||
| call: #call, | ||
| len: u32, | ||
| ) -> pallet_transaction_payment::FeeDetails<#balance> { | ||
| #transaction_payment::query_call_fee_details(call, len) | ||
| } | ||
| fn query_weight_to_fee(weight: Weight) -> #balance { | ||
| #transaction_payment::weight_to_fee(weight) | ||
| } | ||
| fn query_length_to_fee(length: u32) -> #balance { | ||
| #transaction_payment::length_to_fee(length) | ||
| } | ||
| } | ||
| } | ||
| } |
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